Home / 7,888,914,148.80-11,833,371,223.20-3,812,050,660.80

Finding the Fourth Proportional to 7,888,914,148.80, 11,833,371,223.20 and 3,812,050,660.80

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Solution

The fourth proportional to 7,888,914,148.80, 11,833,371,223.20 and 3,812,050,660.80 is: 5,718,075,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,914,148.80 : 11,833,371,223.20 = 3,812,050,660.80 : x
  2. Step 2: Convert to fraction form
    7,888,914,148.80/11,833,371,223.20 = 3,812,050,660.80/x
  3. Step 3: Cross multiply
    7,888,914,148.80x = 11,833,371,223.20 × 3,812,050,660.80
  4. Step 4: Simplify right side
    7,888,914,148.80x = 45,109,410,590,891,270,144
  5. Step 5: Solve for x
    x = 45,109,410,590,891,270,144/7,888,914,148.80
  6. Step 6: Final answer
    x = 5,718,075,991.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.